Przemysl Chemiczny, Vol.92, No.6, 1155-1158, 2013
Fertilizers with microelements on the basis of the protein hydrolyzate from utilization of poultry feathers
Goose feather wastes from slaughterhouses were hydrolyzed with 30% H2SO4 to liq. fertilizers recommended for soil and foliar applications. The feather waste hydrolyzates were enriched in microelements.